Logarithmic Functions

Information on logarithmic functions including how to find the domain as well as the relationship between logarithmic functions and exponential functions.

Category:

Education

Tags:

• algebra
• logarithm
• exponential
• functions
• domain

[Lumeniaellina]

Thanks again so much for your help before with exponentials. I would also very much appreciate your help on probably just one last thing. Can you help me to find the equation of a log function only from points on a graph? The equation does not cross an axis, but should work as a log I believe. Thank you! ^.^ you're very kind and helpful.

[waszel]

@Lumeniaellina If it is a logarithmic function then it has to cross the x-axis at some point.

[joshpapendorf]

I don't know how to enter log base 2 into the ti

[waszel]

@joshpapendorf To enter a logarithm with a base other than 10 or e into the TI, you will need to first change the base to 10 or e. See the video Change of Base Formula for how to do that.

[traceurAlex]

Ty i mean. :) autocorrector...

[TheMrReRe]

ima freshmen taking algebra 2 so this helped me understand logs so much easier thanks alot

[Airforceproud95]

Thanks man.

[Vani3863]

Thank you so much, you really helped me understand this :-)

[element492]

thnks, explained it better then my teacher!

[Captaindamn85]

I love you sir, in the most homosexual way possible... I might actually pass this part of my final now

[737FSPilot]

Very helpful, thank you!

[breezayhay]

my hero.